102430553 has 4 divisors (see below), whose sum is σ = 102664320. Its totient is φ = 102196788.

The previous prime is 102430547. The next prime is 102430561. The reversal of 102430553 is 355034201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355034201 = 487 ⋅729023.

It is a cyclic number.

It is not a de Polignac number, because 102430553 - 2⁸ = 102430297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102436553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116225 + ... + 117102.

It is an arithmetic number, because the mean of its divisors is an integer number (25666080).

Almost surely, 2^102430553 is an apocalyptic number.

It is an amenable number.

102430553 is a deficient number, since it is larger than the sum of its proper divisors (233767).

102430553 is an equidigital number, since it uses as much as digits as its factorization.

102430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233766.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 102430553 is about 10120.7980416566. The cubic root of 102430553 is about 467.8893634423.

Adding to 102430553 its reverse (355034201), we get a palindrome (457464754).

The spelling of 102430553 in words is "one hundred two million, four hundred thirty thousand, five hundred fifty-three".